2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine(CAS: 35265-82-8)

2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine is a crystalline solid with a molecular weight of approximately 261.04 g/mol. It has a low solubility in water (0.1 g/L at 25°C) but is more soluble in organic solvents like ethanol and acetone. This compound shows moderate reactivity towards nucleophiles and is typically stable under normal conditions, but it can degrade in acidic or basic environments. It has a melting point of around 170-172°C.

2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine can be synthesized via the condensation reaction of 2,4-dichloropyrimidine and thiophene in the presence of an appropriate catalyst, such as a base like potassium carbonate. The reaction typically yields a mixture that can be purified by recrystallization or column chromatography. The process requires careful temperature control and an inert atmosphere to prevent side reactions and impurities.

2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine is primarily used in the pharmaceutical industry for the synthesis of certain drugs. It is also relevant in the polymer industry for developing new materials, and in the semiconductor industry for manufacturing electronic components. Additionally, this compound can be employed in the production of sensors for detecting various chemical species.

When handling 2,4-Dichloro-6-methylthieno[3,2-d]pyrimidine, it is important to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or fume hood to minimize inhalation risk. Spills should be handled carefully, and the area should be thoroughly cleaned with water and appropriate cleaning agents. Always refer to the Safety Data Sheet (SDS) for specific handling and disposal guidelines.